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Number of entries (Data is updated on a monthly basis): 47268
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GB/T 20042.6-2024

质子交换膜燃料电池 第6部分:双极板特性测试方法

Proton exchange membrane fuel cell—Part 6:Test method of bipolar plate properties

GB/T 19520.21-2023

电气和电子设备机械结构 482.6 mm(19 in)系列机械结构尺寸 第3-109部分:嵌入式计算设备的机箱尺寸

Mechanical structures for electrical and electronic equipment—Dimensions of mechanical structures of the 482.6 mm (19 in) series—Part 3-109: Dimensions of chassis for embedded computing devices

GB 43630-2023

塔式和机架式服务器能效限定值及能效等级

Minimum allowable values of energy efficiency and energy efficiency grades for tower and rack servers

GB/T 27651-2023

防腐木材的使用分类和要求

Use category and requirements for preservative-treated wood

GB/T 43271-2023

木材鉴定 DNA条形码方法

Wood identification—DNA barcoding method

GB/T 8586-2023

探鱼仪工作频率分配及其防止声波干扰技术规范

Technical specification for operational frequency distribution and anti-interference of sound of fishfinders

GB/T 43311-2023

球墨铸铁管设计方法

Design method for ductile iron pipes

GB/T 7731.17-2023

钨铁 钴、镍、铝含量的测定 电感耦合等离子体原子发射光谱法

Ferrotungsten—Determination of cobalt, nickel and aluminum contents—Inductively coupled plasma atomic emission spectrometric method

GB/T 43313-2023

碳化硅抛光片表面质量和微管密度的测试 共焦点微分干涉法

Test method for surface quality and micropipe density of polished silicon carbide wafers—Confocal and differential interferometry optics

GB/T 19520.22-2023

电气和电子设备机械结构 482.6 mm(19 in)系列机械结构尺寸 第3-110部分:智慧房屋用住宅机架和机柜

Mechanical structures for electrical and electronic equipment—Dimensions of mechanical structures of the 482.6 mm (19 in) series—Part 3-110: Residential racks and cabinets for smart houses

Number of entries (Data is updated on a monthly basis): 47268
Weiter Weiter| 4731 - 4740 | 4741 - 4750|4751 - 4760 |Weiter Weiter